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Finding the Fourth Proportional to 355,644.62, 533,842.90 and 347,613.02

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Solution

The fourth proportional to 355,644.62, 533,842.90 and 347,613.02 is: 521,787.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,644.62 : 533,842.90 = 347,613.02 : x
  2. Step 2: Convert to fraction form
    355,644.62/533,842.90 = 347,613.02/x
  3. Step 3: Cross multiply
    355,644.62x = 533,842.90 × 347,613.02
  4. Step 4: Simplify right side
    355,644.62x = 185,570,743,093.55
  5. Step 5: Solve for x
    x = 185,570,743,093.55/355,644.62
  6. Step 6: Final answer
    x = 521,787.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.